# ISO 663:1981 — Withdrawn and superseded ISO standards

For ISO 663:1981, item title is Animal and vegetable fats and oils — Determination of insoluble impurities content; status code is 9599; successor is ISO 663:1992; withdrawn / published date is 1981-03-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 663:1981 _(verified: appears in the quote below)_
- **Item title:** Animal and vegetable fats and oils — Determination of insoluble impurities content _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 663:1992
- **Withdrawn / published date:** 1981-03-01 _(verified: appears in the quote below)_

## What the source says

> 4821,IS,,ISO 663:1981,Animal and vegetable fats and oils — Determination of insoluble impurities content,Corps gras d'origines animale et végétale — Détermination de la teneur en impuretés insolubles,1981-03-01,1,['67.200.10'],ISO/TC 34/SC 11,9599,[5350],[4822],"['en','fr']",2,

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).